XML 74 R57.htm IDEA: XBRL DOCUMENT v3.25.4
Investments - Investments Classified by Contractual Maturity Date (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Available for sale, Amortized Cost    
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One $ 250,905  
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five 76,242  
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 353,222  
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 324,921  
Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost 1,733,003  
Amortized Cost 2,738,293 $ 2,025,483
Available for sale, Estimated Fair Value    
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One 249,646  
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five 74,783  
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 320,753  
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 300,542  
Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value 1,709,311  
Debt Securities, Available-for-Sale, Excluding Accrued Interest 2,655,035 1,862,270
Held to maturity, Amortized Cost    
Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One 4,616  
Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year One through Five 129,862  
Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 5 through 10 239,892  
Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 656,893  
Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, without Single Maturity Date 43,839  
Amortized Cost 1,075,102 929,192
Held to maturity, Estimated Fair Value    
Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One 4,616  
Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five 127,143  
Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 239,658  
Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 627,757  
Debt Securities, Held-to-Maturity, Maturity, without Single Maturity Date, Fair Value 40,640  
Held to maturity, fair value $ 1,039,814 $ 858,871